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Principles of Nerve Conduction Studies 

Principles of Nerve Conduction Studies
Chapter:
Principles of Nerve Conduction Studies
Author(s):

Jun Kimura

DOI:
10.1093/med/9780199738687.003.0005
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date: 27 July 2021

Electrical stimulation of the nerve initiates an impulse that travels along motor or sensory nerve fibers. The assessment of conduction characteristics depends on the analysis of compound muscle action potentials recorded from the muscle in the study of motor fibers and sensory nerve action potentials from the nerve itself in the case of sensory fibers. The same principles apply in all circumstances, although the anatomic course and pattern of innervation dictate the exact technique used for testing a given nerve. This chapter reviews the principle of nerve conduction studies, which have become a simple and reliable test of peripheral nerve function. With adequate standardization, the method now provides a means of not only objectively identifying the lesion but also precisely localizing the site of maximal involvement.

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